package chapter03.Example05;

class  Student {
    public Student(){
        System.out.println("调用了无参构造方法");
    }
}

public class Example05 {
    public static void main(String[] args) {
        System.out.println("声明对象。。。");
        Student stu = null;
        System.out.println("实例化对象。。。");
        stu = new Student();
    }
}
